Semi-circular modular architectural component



FIG. 1 is a front view of a semi-circular modular architectural component illustrating my new design;

FIG. 2 is a side view thereof; and,

FIG. 3 is a cross sectional view thereof, taken along line 3—3 of FIG. 1. 

The ornamental design for a semi-circular modular architectural component, as shown and described. 